chessground 6.3.0 copy "chessground: ^6.3.0" to clipboard
chessground: ^6.3.0 copied to clipboard

Chess board UI developed for lichess.org. It has no chess logic inside so it can be used for chess variants.

10
likes
120/ 160
pub points
987
downloads

We analyzed this package 7 days ago, and awarded it 120 pub points (of a possible 160):

Passed report section
Follow Dart file conventions
30 / 30trigger folding of the section

Passed check 10/10 points: Provide a valid pubspec.yaml

Passed check 5/5 points: Provide a valid README.md

Passed check 5/5 points: Provide a valid CHANGELOG.md

Passed check 10/10 points: Use an OSI-approved license

Detected license: GPL-3.0.

Passed report section
Provide documentation
20 / 20trigger folding of the section

Passed check 10/10 points: 20% or more of the public API has dartdoc comments

244 out of 318 API elements (76.7 %) have documentation comments.

Some symbols that are missing documentation: chessground.Annotation.Annotation.new, chessground.Arrow.color, chessground.Arrow.dest, chessground.Arrow.orig, chessground.BoardBorder.copyWith.

Passed check 10/10 points: Package has an example

Passed report section
Platform support
20 / 20trigger folding of the section

Passed check 20/20 points: Supports 5 of 6 possible platforms (iOS, Android, Web, Windows, macOS, Linux)

  • ✓ Android

  • ✓ iOS

  • ✓ Windows

  • ✓ Linux

  • ✓ macOS

These platforms are not supported:

Package does not support platform `Web`.

Because:

  • package:chessground/chessground.dart that imports:
  • package:chessground/src/widgets/background.dart that imports:
  • package:dartchess/dartchess.dart that declares support for platforms: Android, iOS, Windows, Linux, macOS.

Passed check 0/0 points: WASM compatibility

This package is compatible with runtime wasm, and will be rewarded additional points in a future version of the scoring model.

See https://dart.dev/web/wasm for details.

Partially passed report section
Pass static analysis
40 / 50trigger folding of the section

Partially passed check 40/50 points: code has no errors, warnings, lints, or formatting issues

INFO: 'withOpacity' is deprecated and shouldn't be used. Use .withValues() to avoid precision loss.

lib/src/widgets/board_annotation.dart:92:50

92color: const Color(0xFF000000).withOpacity(0.5),
   │                                                  ^^^^^^^^^^^
   ╵
copied to clipboard

To reproduce make sure you are using the lints_core and run flutter analyze lib/src/widgets/board_annotation.dart

Failed report section
Support up-to-date dependencies
10 / 40trigger folding of the section

Failed check 0/10 points: All of the package dependencies are supported in the latest version

Package Constraint Compatible Latest Notes
dartchess ^0.9.0 0.9.2 0.11.1
fast_immutable_collections ^10.0.0 10.2.4 11.0.4
Transitive dependencies
Package Constraint Compatible Latest Notes
characters - 1.4.0 1.4.0
collection - 1.19.1 1.19.1
material_color_utilities - 0.11.1 0.12.0
meta - 1.16.0 1.16.0
vector_math - 2.1.4 2.1.5

To reproduce run dart pub outdated --no-dev-dependencies --up-to-date --no-dependency-overrides.

The constraint `^0.9.0` on dartchess does not support the stable version `0.10.0`.

Try running dart pub upgrade --major-versions dartchess to update the constraint.

The constraint `^10.0.0` on fast_immutable_collections does not support the stable version `11.0.0`.

Try running dart pub upgrade --major-versions fast_immutable_collections to update the constraint.

Passed check 10/10 points: Package supports latest stable Dart and Flutter SDKs

Failed check 0/20 points: Compatible with dependency constraint lower bounds

downgrade analysis failed failed with 3 errors:

  • INVALID_ASSIGNMENT - lib/src/widgets/board_editor.dart:49:29 - A value of type 'IMap<dynamic, dynamic>' can't be assigned to a variable of type 'IMap<Square, SquareHighlight>'.
  • NON_CONSTANT_DEFAULT_VALUE - lib/src/widgets/board_editor.dart:49:29 - The default value of an optional parameter must be constant.
  • CONST_WITH_UNDEFINED_CONSTRUCTOR - lib/src/widgets/board_editor.dart:49:40 - The class 'IMap' doesn't have a constant constructor 'empty'.

Run flutter pub downgrade and then flutter analyze to reproduce the above problem.

You may run dart pub upgrade --tighten to update your dependency constraints, see dart.dev/go/downgrade-testing for details.

Analyzed with Pana 0.22.20, Flutter 3.29.2, Dart 3.7.2.

Check the analysis log for details.

Weekly downloads

Display as:
By versions:
Jul 22Aug 19Sep 16Oct 14Nov 11Dec 9Jan 6Feb 3Mar 3Mar 31050100150200250300Other>=3.0.0-0 <4.0.0>=4.0.0-0 <5.0.0>=5.0.0-0 <6.0.0>=6.0.0-0 <7.0.0>=7.0.0-0 <8.0.0
10
likes
120
points
987
downloads

Publisher

verified publisherlichess.org

Weekly Downloads

2024.10.07 - 2025.04.21

Chess board UI developed for lichess.org. It has no chess logic inside so it can be used for chess variants.

Repository (GitHub)

Documentation

API reference

Funding

Consider supporting this project:

lichess.org

License

GPL-3.0 (license)

Dependencies

dartchess, fast_immutable_collections, flutter

More

Packages that depend on chessground